False Positive Probability: medium
This Code executes code that was crypted by base64 encoding. Allthough it is commonly used by malware scripts it might also be part of non-malicious scripts encoded by obfuscating tools. Attackers can use this script to send spam emails for example.
Simplified example:
<?php $x = 'WyJoZWxsbyJd'; eval(base64_decode($x)); ?>
{ISPP}suspect.eval.base64